Species

Nannostomus grandis

The largest pencilfish, rarely seen but worth the search.

Nannostomus minimus

Tiny, timid, and barely an inch long. A pencilfish for the dedicated nano keeper.

Thayeria obliqua

The original penguin tetra, now overshadowed by its more common cousin.

Charax condei

A secretive little predator that sneaks into shipments of other characins.

Hemigrammus filamentosus

A slender Brazilian tetra with a filamentous tail fin twist.

Chalceus macrolepidotus

A fast-moving, surface-skimming predator with oversized scales and a vivid pink tail.

Nannostomus rubrocaudatus

Tiny, territorial, and blazing with red-purple color. A pencilfish with real attitude.

Copella vilmae

A jewel-toned splash of color from the blackwater streams of the upper Amazon.

Moenkhausia oligolepis

A peaceful, easy-to-breed South American tetra often mistaken for its flashier cousin.

Nannostomus erythrurus

A slender, vividly finned pencilfish that rewards patient, detail-oriented keepers.

Hyphessobrycon amapaensis

A tiny, rarely seen Brazilian tetra with vivid red and cream lateral striping.

Nannostomus mortenthaleri

A tiny, fiery Peruvian pencilfish that punches well above its weight in attitude.

Hyphessobrycon sweglesi

A deep-red schooling tetra that rewards you for keeping bigger groups.

Copella eigenmanni

A small, peaceful Amazonian schooler with subtle charm and fascinating breeding behavior.

Copeina guttata

A paternal nest-guarder from the Amazon with bold red spots and real personality.

Hyphessobrycon agulha

A rare, peaceful tetra that anchors its entire species group by name.

Hyphessobrycon bentosi

A rosy, fin-flaring little characin that puts on its best show in a crowd.

Hyphessobrycon rosaceus

A softly blushing schooling tetra that rewards keepers who think in groups.

Axelrodi riesei

A tiny red gem from Colombia that rewards patient, species-focused keepers.

Hemigrammus bleheri

A tight-schooling tetra whose vivid red nose blazes brightest in a large group.

Hemigrammus rhodostomus

The original rummy-nose, built for tight shoals and soft Amazon water.

Crenuchus spilurus

A solitary little predator with theatrical fin displays and devoted fathering instincts.

Hyphessobrycon eques

Fiery red schooler that turns fin-nipper when kept in too-small groups.

Pyrrhulina brevis

A compact Amazonian predator with surprising personality for its size.

Phenacogaster tegatus

The tiny 'six-eyed tetra' from Paraguay with a trick spot pattern.

Copella arnoldi

The fish that leaps out of water to lay eggs on leaves above the surface.

Copella carsevennensis

A tiny surface-dweller with one of the most acrobatic spawning rituals in freshwater fishkeeping.

Corynopoma riisei

An internal fertilizer with elaborate courtship tricks that most tetras can't match.

Hyphessobrycon acaciae

A tiny Orinoco tetra with a bold dark lateral stripe and beginner-friendly nature.

Tucanoichthys tucano

A pint-sized Amazonian rarity that rewards patient, specialist keepers.

Nannostomus trifasciatus

A pencilfish with real attitude. Best kept in big groups with broken sightlines.

Hyphessobrycon stegemanni

A tiny Tocantins tetra often mistaken for its look-alike neighbor.

Chalceus erythrurus

A bold, active surface cruiser with a brilliantly colored tail to match its attitude.

Nannostomus bifasciatus

A schooling pencilfish that tilts nose-up and swims in tight, lively groups.

Hemigrammus ulreyi

A peaceful schooling tetra that's rarer in tanks than its charm deserves.

Pyrrhulina laeta

A slender Amazonian predator that punches above its small size.